Reproductive Endocrinology News http://www.mdlinx.com/endocrinology/news.cfm/newspage/1/spec_id/16/subspec_id/418 Reproductive Endocrinology en-us Copyright 2013 MDLinx, Inc. <![CDATA[Effects of drospirenone–ethinylestradiol and/or metformin on CD4<sup>+</sup>CD28<sup>null</sup> t lymphocytes frequency in women with hyperinsulinemia having polycystic ovary syndrome: A randomized clinical trial]]> http://www.mdlinx.com/endocrinology/news-article.cfm/4637044/?xml 5/23/2013 Reproductive Sciences]]> http://www.mdlinx.com/endocrinology/news-article.cfm/4637044/?xml